Measurements:
°C
°F
Nantong
80°F
NW 7 mph
Feels like: 84°F
Precip: 24%
World Resorts China Nantong Weather

Nantong Sea Water Temperature

Current Sea Water Temperature:
+87.8°F
Maximum Sea Water Temperature in August: 95.6°F
Minimum Sea Water Temperature in August: 80.8°F
Average water temperature in August: 88.4°F

Sea Water Temperature for the Last 10 Days:

August 24 87.8°F August 19 88.4°F
August 23 89.0°F August 18 87.6°F
August 22 88.4°F August 17 87.2°F
August 21 87.8°F August 16 86.0°F
August 20 88.2°F August 15 85.8°F

When is the Warmest Sea for Nantong?

According to our data for the last three years for Nantong the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Nantong was 89.2°F. The maximum and minimum values were 85.8°F and 92.0°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Nantong was 86.2°F. The maximum and minimum values were 81.6°F and 91.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Nantong was 89.0°F. The maximum and minimum values were 83.4°F and 92.8°F respectively.

Best Time to Visit Nantong
The most sunny months:
December 18 days
January 16 days
October 16 days
The most warm months:
August 93.0 °F
July 92.8 °F
June 86.3 °F
Warmest sea temperature:
August 88.5 °F
July 85.6 °F
September 83.8 °F
The most cold months:
January 46.1 °F
February 48.5 °F
December 50.1 °F
The most rainy months:
August 8 days
July 8 days
June 6 days
The most windy months:
May 9 mph
March 9 mph
April 9 mph

Nantong on the Weather Map

China Resorts:
NAME
Beidaihe +76
Beijing +80
Dadunhai +82
Dalian +82
Guangzhou +90
Hainan +80
Hong Kong +84
Macau +86
Quingdao +84
Sanya +82
Shanghai +82
Shenzhen +86
Weihai +80
Yalong Bay +82
Yantai +80
24 Hours Weather Forecast
Nantong
Local time: 02:45
25 aug, tuesday
0300 80°F
NW
7 mph
0600 78°F
W
7 mph
0900 88°F
NW
12 mph
1200 92°F
NW
13 mph
1500 92°F
NW
11 mph
1800 82°F
W
10 mph
2100 78°F
W
8 mph
26 aug, wednesday
0000 78°F
W
6 mph